Split 'pyke/' into commit 'c80de12d8d0827e0553fed2e4d392cb9bf3a378f'

git-subtree-dir: pyke
git-subtree-mainline: f76230157bd427829e49628de37d53f9c8ae7842
git-subtree-split: c80de12d8d0827e0553fed2e4d392cb9bf3a378f

* commit 'c80de12d8d0827e0553fed2e4d392cb9bf3a378f':
  Port to Python 3.
  *.[ch]: Some preparatory reformatting for the Python 3 porting.
  mp.c, catacomb/__init__.py, pyke/: Fix mixed-mode arithmetic involving `float'.
  *.c: Separate string function calls according to text/binary usage.
  *.c: Introduce a new input conversion for binary strings.
  *.c: Use the new `Py_hash_t' type.
  *.c: Use `PyVarObject_HEAD_INIT' to initialize type object headers.
  *.c: Use the new `Py_TYPE' and `Py_SIZE' macros; define them if necessary.
  pyke/mapping.c, key.c: Make the mapping code more intrusive and complete.
  pyke/mapping.c: Introduce macro for unconstifying common keyword list.
  pyke/pyke.c (newtype): Explicitly clear `ht_slots'.
  *.c: Split the constant definitions into the various submodules.
  pyke/pyke.[ch]: Make type skeleton structures be read-only.
  pyke/pyke.h: Add a `MEMBER' variant with explicit member name.
  *.c: Use Python `METH_NOARGS' methods where applicable.
  *.c: Use Python's facilities for defining class and static methods.
  *.c: Make all of the type-definition tables read-only.
  pyke/pyke.c: Check conversions hidden inside `KWLIST' and `KWMETH'.
  pyke/pyke.h, key.c: Rename `INDEXERR' to `MAPERR'.